bring it back to r. kelly. kelly kapowski from "saved by the bell." belle and sebastian. sebastian the crab. "under the sea." cee lo. hi-c ecto cooler. bring it back to slimer from "ghostbusters." ghost hunters. "house hunters international." "national treasure 2: book of secrets." "secret world of alex mack." bring you back to "clarissa explains it all." "all that." "that 70s show." "showtime at the apollo." apolo ohno. apolo oh-yes. "yes, dear," the sitcom that used to be on cbs, the home of david letterman. letterman to leno, leno to conan, conan to fallon. "late night with jimmy fallon." how do you like me now? [ cheers and applause ] >> jimmy: that was pretty good. you're all right. right. right. right on. onstar. starburst. burst your bubble. bubble gum. bubbleicious. bootylicious. bringing it back to beyonce. married to jay-z. j.c. penney. penny from "big bang theory." theory of relativity. bringing it back to einstein. you can call me al-bert. bert and ernie. "sesame street." "street fighter." hiya, kid. bringing it back to ryu. ryu and ken. ken burns. mr. burns f